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Know your deadlines

Image by Debby Hudson

Here you can find a complete list of tax dates for 2021.

Most of the due dates discussed in this publication are also included in the IRS Tax Calendar for Businesses and Self-Employed, available at The online IRS Tax Calendar is also available in Spanish.


Who should use this publication?


Primarily, employers need to use this publication. However, the General Tax Calendar , later, has important due dates for all businesses and individuals. Anyone who must pay excise taxes may need the Excise Tax Calendar , later.

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